CVE-2026-15521: Makafeli n8n-Workflow-Builder

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component update_node_from_file. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• Makafeli n8n-Workflow-Builder: version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; version 0.6 only; …

Published 2026-07-13. Last modified 2026-07-15.